%0 Journal Article %A R. V. Galiulin %T Two-dimensional discrete groups with finite fundamental regions and their physical and humanitarian interpretations %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 2005 %P 1331-1344 %V 45 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_2005_45_8_a0/ %G ru %F ZVMMF_2005_45_8_a0